Ludwig Berger’s variations on the famous folk tune demonstrate the high Classical style of variation writing. The piece showcases technical agility through varied textures and decorative passagework.
Maintain clarity and evenness during the rapid scale passages in the variations.
Comparable difficulty and character — good candidates for what to learn next.
18 Variations on 'Ah, vous dirai-je Maman' (Op.32) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of 18 Variations on 'Ah, vous dirai-je Maman' (Op.32) lasts about 10 minutes.
18 Variations on 'Ah, vous dirai-je Maman' (Op.32) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include The Entertainer by Scott Joplin, 12 Variations on "Ah vous dirais-je, Maman" by Wolfgang Amadeus Mozart, Piano Sonata No. 11 in A major by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.